/* M99 unified public editorial system.
 * The public site is a scientific reading surface: calm paper, forest ink,
 * one real structure, and method figures that explain their evidence boundary.
 */
:root {
  --m99-ivory: #f7f5ef;
  --m99-paper: #fbfaf6;
  --m99-forest: #173f32;
  --m99-green: #286c53;
  --m99-sage: #536f59;
  --m99-mist: #eaf1eb;
  --m99-ink: #26352e;
  --m99-muted: #5b675f;
  --m99-rule: #d9e3da;
  --m99-gold: #8b6328;
  --m99-max: 1280px;
  --m99-serif: Iowan Old Style, Baskerville, Palatino Linotype, Georgia, serif;
  --m99-sans: Aptos, "Segoe UI", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
}

html { background: var(--m99-ivory); }
body[data-m38="true"], body[data-m34="true"] {
  background: var(--m99-ivory);
  color: var(--m99-ink);
  font-family: var(--m99-sans);
  line-height: 1.68;
}
body[data-m38="true"] main,
body[data-m34="true"] main { max-width: var(--m99-max); padding-inline: 32px; }
body[data-m38="true"] h1,
body[data-m38="true"] h2,
body[data-m38="true"] h3,
body[data-m34="true"] h1,
body[data-m34="true"] h2,
body[data-m34="true"] h3 { font-family: var(--m99-serif); color: var(--m99-forest); letter-spacing: -.02em; text-wrap: balance; }
body[data-m38="true"] h1,
body[data-m34="true"] h1 { font-size: clamp(42px, 5.2vw, 76px); line-height: 1.02; font-weight: 600; }
body[data-m38="true"] h2,
body[data-m34="true"] h2 { font-size: clamp(30px, 3.4vw, 50px); line-height: 1.12; font-weight: 600; }
body[data-m38="true"] h3,
body[data-m34="true"] h3 { font-size: 22px; line-height: 1.2; font-weight: 600; }
body[data-m38="true"] p,
body[data-m34="true"] p { color: var(--m99-muted); }
body[data-m38="true"] a,
body[data-m34="true"] a { color: var(--m99-green); text-underline-offset: 4px; }
body[data-m38="true"] a:hover,
body[data-m34="true"] a:hover { color: var(--m99-forest); }
body[data-m38="true"] :where(a, button, input, select, textarea):focus-visible,
body[data-m34="true"] :where(a, button, input, select, textarea):focus-visible { outline: 3px solid rgba(40,108,83,.72); outline-offset: 3px; }

/* Shared public header */
body[data-m38="true"] .platform-header,
body[data-m34="true"] .platform-header { min-height: 72px; background: rgba(251,250,246,.96); border-bottom: 1px solid var(--m99-rule); box-shadow: none; }
body[data-m38="true"] .header-inner,
body[data-m34="true"] .header-inner { display: flex; max-width: var(--m99-max); min-height: 72px; padding: 12px 32px; gap: 22px; }
body[data-m38="true"] .brand,
body[data-m34="true"] .brand { color: var(--m99-forest); font-family: var(--m99-sans); font-weight: 760; letter-spacing: -.02em; }
body[data-m38="true"] .brand small,
body[data-m34="true"] .brand small { color: var(--m99-sage); letter-spacing: .14em; }
body[data-m38="true"] .platform-header nav,
body[data-m34="true"] .platform-header nav { gap: 2px; }
body[data-m38="true"] .platform-header nav a,
body[data-m34="true"] .platform-header nav a { border-radius: 2px; color: var(--m99-muted); padding: 8px 10px; font-size: 14px; }
body[data-m38="true"] .platform-header nav a:hover,
body[data-m34="true"] .platform-header nav a:hover { background: var(--m99-mist); color: var(--m99-forest); }
body[data-m38="true"] .platform-header nav a[aria-current],
body[data-m34="true"] .platform-header nav a[aria-current] { background: transparent; color: var(--m99-forest); box-shadow: inset 0 -2px var(--m99-green); }
body[data-m38="true"] .nav-login,
body[data-m34="true"] .nav-login { border: 1px solid var(--m99-forest); border-radius: 2px; background: var(--m99-forest) !important; color: #fff !important; padding-inline: 13px !important; margin-left: 8px; }
body[data-m38="true"] .nav-login:hover,
body[data-m34="true"] .nav-login:hover { background: var(--m99-green) !important; color: #fff !important; }
body[data-m38="true"] .home-nav-search { border-color: var(--m99-rule); border-radius: 2px; background: transparent; }
body[data-m38="true"] .home-nav-search input { background: transparent; color: var(--m99-ink); }
body[data-m38="true"] .menu-button,
body[data-m34="true"] .menu-button { border: 1px solid var(--m99-rule); border-radius: 2px; background: transparent; color: var(--m99-forest); }

/* Home: title-first editorial composition */
body[data-page="home"] main { padding-top: 0; }
.m99-home-hero { padding: 72px 0 78px; border-bottom: 1px solid var(--m99-rule); }
.m99-home-hero > h1 { max-width: 1220px; margin: 0 auto 50px; font-size: clamp(54px, 4.8vw, 72px); text-align: center; line-height: 1.04; letter-spacing: -.035em; }
.m99-home-hero > h1 span { display: block; }
.m99-home-hero > h1 span:last-child { color: var(--m99-green); }
.m99-hero-scene { display: grid; grid-template-columns: minmax(250px, .7fr) minmax(0, 1.6fr); gap: clamp(38px, 6vw, 92px); align-items: center; }
.m99-hero-context { padding: 16px 0 0; max-width: 420px; }
.m99-research-question { margin: 0 0 26px; color: var(--m99-forest) !important; font-family: var(--m99-serif); font-size: clamp(18px, 1.7vw, 24px); line-height: 1.22; }
.m99-hero-lead { margin: 0 0 30px; max-width: 44ch; font-size: 17px; line-height: 1.62; color: var(--m99-sage); }
.m99-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; }
.m99-button { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; padding: 10px 17px; border: 1px solid var(--m99-forest); border-radius: 2px; font-size: 14px; font-weight: 700; text-decoration: none; }
.m99-button-primary { background: var(--m99-forest); color: #fff !important; }
.m99-button-primary:hover { background: var(--m99-green); color: #fff !important; }
.m99-button-primary:visited { color: #fff !important; }
.m99-text-link { color: var(--m99-green); font-size: 14px; font-weight: 700; text-decoration: none; }
.m99-text-link:hover { text-decoration: underline; }
.m99-access-note { margin: 30px 0 0; padding-top: 14px; border-top: 1px solid var(--m99-rule); color: var(--m99-muted); font-size: 13px; line-height: 1.55; }
.m99-structure-figure { margin: 0; min-width: 0; }
.m99-structure-stage { position: relative; min-height: clamp(380px, 35vw, 520px); overflow: hidden; display: grid; place-items: center; background: #F3F8F4 url("./science/homepage-botanical-atmosphere.svg") center/cover no-repeat; border: 1px solid #d1e0d3; }
.m99-structure-stage::after { content: ""; position: absolute; inset: 12% 6% 10% 3%; border: 1px solid rgba(40,108,83,.18); pointer-events: none; }
.m99-structure-stage img { position: relative; z-index: 1; display: block; width: auto; max-width: 92%; max-height: 88%; height: auto; object-fit: contain; margin: auto; }
.m99-structure-stage [data-home-media-image][hidden], .m99-method-figure [data-home-media-image][hidden], .m99-structure-method [data-home-media-image][hidden], .m99-example-figures [data-home-media-image][hidden] { display: none; }
.m99-structure-stage .m96-media-fallback { position: relative; z-index: 2; }
.m99-structure-figure figcaption { display: grid; grid-template-columns: 1fr auto; gap: 8px 20px; padding: 14px 0 0; color: var(--m99-muted); font-size: 12px; }
.m99-structure-figure figcaption strong { display: block; color: var(--m99-forest); font-size: 13px; }
.m99-structure-figure figcaption span { display: block; }
.m99-source-links { display: flex; gap: 15px; align-items: start; white-space: nowrap; }
.m99-structure-figure figcaption small { grid-column: 1 / -1; color: var(--m99-muted); }

/* Workflow: uneven editorial plates rather than repeated cards */
.m99-workflow, .m99-architecture, .m99-methods, .m99-examples, .m99-home-close { padding: 92px 0; border-bottom: 1px solid var(--m99-rule); }
.m99-section-heading { display: flex; justify-content: space-between; align-items: end; gap: 32px; margin-bottom: 44px; }
.m99-section-heading > div { max-width: 720px; }
.m99-section-heading h2 { margin: 0 0 16px; }
.m99-section-heading p { max-width: 60ch; margin: 0; font-size: 15px; color: var(--m99-sage); }
.m99-workflow-opening, .m99-workflow-closing { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 46px; }
.m99-stage { min-width: 0; }
.m99-stage-copy { display: grid; grid-template-columns: 44px 1fr; gap: 18px; padding-top: 18px; border-top: 2px solid var(--m99-forest); }
.m99-stage-index { color: var(--m99-gold); font: 700 13px/1 var(--m99-sans); letter-spacing: .06em; }
.m99-stage h3 { margin: -3px 0 8px; font-size: 22px; line-height: 1.15; }
.m99-stage p { margin: 0; font-size: 13px; line-height: 1.6; color: var(--m99-sage); }
.m99-method-figure, .m99-structure-method { margin: 28px 0 0; }
.m99-method-figure img, .m99-structure-method img { display: block; width: 100%; height: auto; max-height: 280px; object-fit: contain; object-position: center; background: #F3F8F4; }
.m99-method-figure figcaption, .m99-structure-method figcaption { margin-top: 10px; padding: 0; color: var(--m99-muted); font-size: 12px; line-height: 1.5; }
.m99-stage-structure { display: grid; grid-template-columns: minmax(240px, .52fr) minmax(0, 1.48fr); gap: 50px; align-items: center; margin: 52px 0; padding: 48px 0; border-top: 1px solid var(--m99-rule); border-bottom: 1px solid var(--m99-rule); }
.m99-stage-structure .m99-stage-copy { border-top: 0; padding-top: 0; }
.m99-structure-method { margin: 0; }
.m99-structure-method img { max-height: 320px; object-fit: contain; object-position: center; }

/* Product architecture: a connected reading sequence */
.m99-layer-map { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--m99-forest); }
.m99-layer-map li { display: grid; grid-template-columns: 160px minmax(0, 1fr) auto; gap: 28px; align-items: start; padding: 26px 0; border-bottom: 1px solid var(--m99-rule); }
.m99-layer-scope { color: var(--m99-sage); font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.m99-layer-map h3 { margin: -5px 0 7px; font-size: 28px; }
.m99-layer-map p { max-width: 63ch; margin: 0; }
.m99-layer-map a { align-self: center; font-size: 13px; font-weight: 700; text-decoration: none; white-space: nowrap; }

/* Methods ledger */
.m99-method-ledger { border-top: 1px solid var(--m99-forest); }
.m99-method-row { display: grid; grid-template-columns: 1.05fr 1.05fr 1.45fr 1.15fr; gap: 22px; padding: 18px 0; border-bottom: 1px solid var(--m99-rule); font-size: 13px; }
.m99-method-row strong { color: var(--m99-forest); font-family: var(--m99-serif); font-size: 17px; font-weight: 600; }
.m99-method-header { padding-block: 12px; color: var(--m99-sage); font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }

/* Public examples */
.m99-example-layout { display: grid; grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr); gap: 44px; align-items: start; }
.m99-example-reference { padding: 24px 0; border-top: 2px solid var(--m99-gold); border-bottom: 1px solid var(--m99-rule); }
.m99-example-method { padding: 24px 0; border-top: 2px solid var(--m99-green); border-bottom: 1px solid var(--m99-rule); }
.m99-example-heading { display: flex; justify-content: space-between; gap: 15px; align-items: baseline; }
.m99-example-heading h3 { margin: 0; }
.m99-example-heading span { color: var(--m99-sage); font-size: 11px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }
.m99-example-reference p, .m99-example-method p { font-size: 14px; }
.m99-example-reference a { font-size: 13px; font-weight: 700; }
.m99-example-figures { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 20px; }
.m99-example-figures figure { margin: 0; }
.m99-example-figures img { display: block; width: 100%; height: auto; max-height: 260px; object-fit: contain; object-position: center; background: #F3F8F4; }
.m99-example-figures figcaption { margin-top: 9px; padding: 0; font-size: 12px; color: var(--m99-muted); }
.m99-case-boundary { grid-column: 1 / -1; margin: 0; padding: 18px 0 0; border-top: 1px solid var(--m99-rule); font-size: 13px; }
.m99-case-boundary strong { color: var(--m99-forest); }
.m99-home-close { display: flex; justify-content: space-between; gap: 40px; align-items: end; }
.m99-home-close h2 { max-width: 700px; margin: 0 0 14px; }
.m99-home-close p { max-width: 58ch; margin: 0; }

/* Interior public pages use the same editorial grammar, but not the home layout. */
body[data-page]:not([data-page="home"]) .page-hero,
body[data-page]:not([data-page="home"]) .m38-hero,
body[data-page]:not([data-page="home"]) .m34-platform-lead { padding-top: 82px; padding-bottom: 70px; border-bottom: 1px solid var(--m99-rule); }
body[data-page]:not([data-page="home"]) .page-hero { max-width: 900px; }
body[data-page]:not([data-page="home"]) .page-hero .eyebrow,
body[data-page]:not([data-page="home"]) .m38-kicker,
body[data-page]:not([data-page="home"]) .m34-kicker,
body[data-page]:not([data-page="home"]) .eyebrow { color: var(--m99-sage); letter-spacing: .09em; }
body[data-page]:not([data-page="home"]) .lead,
body[data-page]:not([data-page="home"]) .m38-lead { max-width: 72ch; font-size: 18px; line-height: 1.75; }
body[data-page]:not([data-page="home"]) section:not(.page-hero):not(.m38-hero):not(.m34-platform-lead) { padding: 78px 0; border-bottom-color: var(--m99-rule); }
body[data-page]:not([data-page="home"]) .m38-section-head { display: grid; grid-template-columns: minmax(260px, .8fr) minmax(0, 1.2fr); gap: 60px; align-items: start; margin-bottom: 36px; }
body[data-page]:not([data-page="home"]) .m38-section-head h2 { margin: 0; }
body[data-page]:not([data-page="home"]) .m38-grid { gap: 34px 42px; }
body[data-page]:not([data-page="home"]) .m38-grid .m38-panel,
body[data-page]:not([data-page="home"]) .m38-panel { padding: 22px 0 4px; border: 0; border-top: 1px solid var(--m99-rule); border-radius: 0; background: transparent; box-shadow: none; }
body[data-page]:not([data-page="home"]) .m38-panel h3 { margin-top: 10px; }
body[data-page]:not([data-page="home"]) .m38-meta { color: var(--m99-sage); letter-spacing: .08em; }
body[data-page="platform"] .m38-hero { grid-template-columns: minmax(0, 1fr) minmax(360px, .9fr); gap: 70px; align-items: center; }
body[data-page="platform"] .m38-science-map { border: 1px solid #d1e0d3; border-radius: 0; background: var(--m99-mist); box-shadow: none; }
body[data-page="platform"] .m38-index { position: sticky; top: 72px; margin-inline: -32px; padding-inline: 32px; background: rgba(247,245,239,.95); border-bottom: 1px solid var(--m99-rule); }
body[data-page="platform"] .m38-architecture { border-top: 1px solid var(--m99-forest); gap: 0; }
body[data-page="platform"] .m38-architecture > div { padding: 24px 24px 24px 0; border-bottom: 1px solid var(--m99-rule); border-right: 0; }
body[data-page="platform"] .m38-stage-list { border-top: 1px solid var(--m99-forest); }
body[data-page="platform"] .m38-stage { border-radius: 0; border: 0; border-bottom: 1px solid var(--m99-rule); padding: 20px 0; background: transparent; }
body[data-page="cases"] .m38-case-illustration { border-top: 1px solid var(--m99-forest); border-bottom: 1px solid var(--m99-rule); border-radius: 0; background: transparent; }
body[data-page="docs"] .guide-screenshot { border: 0; padding: 0; background: var(--m99-mist); border-radius: 0; }
body[data-page="login"] .m97-login-section { padding-top: 32px; }
body[data-page="login"] .m97-login-panel { max-width: 620px; padding: 34px 0; border: 0; border-top: 2px solid var(--m99-forest); border-radius: 0; background: transparent; box-shadow: none; }
body[data-page="login"] .m97-login-panel input { min-height: 46px; border: 1px solid var(--m99-rule); border-radius: 2px; background: var(--m99-paper); }
body[data-page="login"] #beta-login-submit { min-height: 44px; border-radius: 2px; background: var(--m99-forest); }
body[data-page="research-package"] .package-hero { max-width: 950px; }
body[data-page="research-package"] .package-panel { padding: 26px 0; border: 0; border-top: 1px solid var(--m99-rule); border-radius: 0; background: transparent; }
body[data-page="research-package"] .package-grid { gap: 54px; }
body[data-page="research-package"] .package-state { border-radius: 2px; background: #f6edda; border-color: #e7d3a9; }
body[data-page="research-package"] .method-figure { border: 0; border-top: 1px solid var(--m99-forest); border-radius: 0; padding: 20px 0 0; background: transparent; }

/* Documentation is a reading workspace with persistent navigation and a focused article column. */
body[data-page="docs"] main { max-width: 1480px; }
body[data-page="docs"] .m90-doc-layout { grid-template-columns: minmax(220px, 250px) minmax(0, 1fr) minmax(160px, 190px); gap: 32px; }
body[data-page="docs"] .m90-doc-sidebar,
body[data-page="docs"] .m90-doc-toc { border-color: var(--m99-rule); }
body[data-page="docs"] .m90-doc-content > .page-hero { padding-top: 38px; padding-bottom: 32px; }
body[data-page="docs"] .m90-doc-content h1 { max-width: 24ch; font-size: clamp(36px, 3.3vw, 48px); line-height: 1.12; }

/* Footer */
body[data-m38="true"] .site-footer,
body[data-m34="true"] .site-footer { max-width: var(--m99-max); margin: 0 auto; padding: 42px 32px 58px; border-top: 0; color: var(--m99-muted); }
.m99-footer { display: grid !important; grid-template-columns: 1fr auto; gap: 24px 60px; align-items: start; }
.m99-footer-brand strong { color: var(--m99-forest); font-family: var(--m99-serif); font-size: 25px; }
.m99-footer-brand p { margin: 8px 0 0; font-size: 13px; }
.m99-footer nav { display: flex; flex-wrap: wrap; justify-content: end; gap: 9px 18px; }
.m99-footer nav a { font-size: 13px; text-decoration: none; }
.m99-footer-boundary { grid-column: 1 / -1; margin: 0; padding-top: 18px; border-top: 1px solid var(--m99-rule); font-size: 12px; }

@media (max-width: 960px) {
  body[data-m38="true"] .header-inner, body[data-m34="true"] .header-inner { padding-inline: 20px; }
  body[data-m38="true"] .header-inner, body[data-m34="true"] .header-inner { gap: 12px; flex-wrap: wrap; }
  body[data-m38="true"] main, body[data-m34="true"] main { padding-inline: 20px; }
  body[data-page="platform"] .m38-index { margin-inline: -20px; padding-inline: 20px; overflow-x: auto; overscroll-behavior-inline: contain; scrollbar-width: none; }
  body[data-page="platform"] .m38-index::-webkit-scrollbar { display: none; }
  .m99-home-hero { padding-top: 58px; }
  .m99-hero-scene { grid-template-columns: 1fr; gap: 42px; }
  .m99-hero-context { max-width: 680px; }
  .m99-structure-stage { min-height: clamp(340px, 58vw, 520px); }
  .m99-stage-structure { grid-template-columns: 1fr; gap: 26px; }
  .m99-method-row { grid-template-columns: 1fr 1fr; }
  .m99-method-header { display: none; }
  .m99-method-row strong { grid-column: 1 / -1; }
  .m99-example-layout { grid-template-columns: 1fr; }
  body[data-page]:not([data-page="home"]) .m38-section-head { grid-template-columns: 1fr; gap: 16px; }
  body[data-page="platform"] .m38-hero { grid-template-columns: 1fr; }
  body[data-page="docs"] .m90-doc-layout { grid-template-columns: 190px minmax(0, 1fr); gap: 22px; }
  body[data-page="docs"] .m90-doc-toc { display: none; }
}
@media (max-width: 900px) {
  body[data-m38="true"] .header-inner, body[data-m34="true"] .header-inner { min-height: 72px; }
  body[data-m38="true"] .header-inner > .platform-header nav,
  body[data-m34="true"] .header-inner > .platform-header nav { display: none; }
  body[data-m38="true"] .platform-header nav#public-nav,
  body[data-m34="true"] .platform-header nav#public-nav { display: none; width: 100%; flex: 0 0 100%; order: 3; }
  body[data-m38="true"] .platform-header nav#public-nav.open,
  body[data-m34="true"] .platform-header nav#public-nav.open { display: flex; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 0 12px; background: transparent; border-bottom: 1px solid var(--m99-rule); }
  body[data-m38="true"] .platform-header nav#public-nav.open a,
  body[data-m34="true"] .platform-header nav#public-nav.open a { width: 100%; }
  body[data-m38="true"] .header-inner > .menu-button,
  body[data-m34="true"] .header-inner > .menu-button { display: inline-flex !important; order: 1; min-height: 42px; align-items: center; padding: 8px 12px; margin-left: auto; }
  body[data-m38="true"] .header-inner > .ugtld-language-switcher, body[data-m34="true"] .header-inner > .ugtld-language-switcher { order: 2; margin-left: 0; }
  body[data-m38="true"] .header-inner > #public-nav,
  body[data-m34="true"] .header-inner > #public-nav { order: 3; }
  .m99-home-hero { padding: 46px 0 56px; }
  .m99-home-hero > h1 { margin-bottom: 36px; font-size: clamp(44px, 13vw, 72px); text-align: left; }
  .m99-home-hero > h1 span:first-child { font-size: .55em; letter-spacing: -.055em; white-space: nowrap; }
  .m99-home-hero > h1 span:last-child { font-size: .55em; letter-spacing: -.055em; white-space: nowrap; }
  .m99-structure-stage { min-height: 320px; }
  .m99-structure-stage img { width: 100%; transform: none; }
  .m99-structure-figure figcaption { grid-template-columns: 1fr; }
  .m99-source-links { white-space: normal; flex-wrap: wrap; }
  .m99-workflow, .m99-architecture, .m99-methods, .m99-examples, .m99-home-close { padding: 62px 0; }
  .m99-section-heading { display: block; margin-bottom: 30px; }
  .m99-section-heading > .m99-text-link { display: inline-block; margin-top: 17px; }
  .m99-workflow-opening, .m99-workflow-closing { grid-template-columns: 1fr; gap: 44px; }
  .m99-layer-map li { grid-template-columns: 1fr; gap: 11px; }
  .m99-layer-map a { justify-self: start; }
  .m99-method-row { grid-template-columns: 1fr; gap: 6px; padding: 16px 0; }
  .m99-method-row strong { grid-column: auto; }
  .m99-example-figures { grid-template-columns: 1fr; }
  .m99-home-close { display: block; }
  .m99-home-close .m99-actions { margin-top: 26px; }
  .m99-footer { display: block !important; }
  .m99-footer nav { justify-content: start; margin-top: 24px; }
  .m99-footer-boundary { margin-top: 24px; }
  body[data-page="research-package"] .package-grid { grid-template-columns: 1fr; }
  body[data-page="docs"] .m90-doc-layout { grid-template-columns: minmax(0, 1fr); }
  body[data-page="docs"] .m90-doc-sidebar { display: block; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}